The 70-year-old elderly can have sex, but should pay attention to the control of basic diseases, such as hypertension, cerebral hemorrhage, acute cerebral infarction, acute myocardial infarction and so on. When having sex, there will be hormone secretion, and the body in the external stimulation will cause blood pressure increases, heart rate increases, for the 70-year-old, especially itself suffers from high blood pressure, coronary heart disease and other underlying diseases in the elderly, to carry out violent sex is very dangerous, will cause acute cerebral hemorrhage, acute myocardial infarction and other diseases, which may endanger the life. For healthy, no underlying diseases of the 70-year-old elderly, in the case of physical indicators allow, can be appropriate for sex, and in the process of sex should avoid violent, rough action, not too long, any discomfort should be stopped immediately.